Problems of galactic spiral structure
Subtitle: a report prepared on the basis of presentations and discussions at Steward Observatory, Febr. 15, 16 and 17, 1972
Contributors: Bok, Bart Jan, 1906-; Cordwell, C.S.; Humphreys, Roberta Marie, 1944-; Steward Observatory.
Publisher: Steward Observatory
Published: 1972
Place of publication: Tucson, Ariz
Language: eng
Number of pages: 39
Subjects: Stars -- Distribution